| 基于同步矢量电流比例-积分控制器的光伏并网系统 |
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| 引用本文： | 周德佳,赵争鸣,袁立强,冯博,赵志强.基于同步矢量电流比例-积分控制器的光伏并网系统[J].清华大学学报(自然科学版),2009(1). |
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| 作者姓名： | 周德佳 赵争鸣 袁立强 冯博 赵志强 |
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| 作者单位： | 清华大学电机工程与应用电子技术系电力系统及大型发电设备安全控制和仿真国家重点实验室;保定天威集团有限公司; |
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| 摘 要： | 太阳能是一种丰富干净的可再生性能源,研究可靠的光伏并网发电系统控制策略非常重要。该文分析了光伏阵列特性、光伏电源与交流电源之间功率流动特征,提出了改进常压法与同步矢量电流比例-积分(PI)调节器控制的空间矢量脉宽调制(SVPWM)调制方法相结合的单级式光伏并网系统,使电压源型光伏并网逆变器输出电流完全与电网电压相位一致,向电网输送的电能质量符合IEEE929-2000标准要求。仿真与实验结果一致,表明了所提出的控制方案具有良好的动态和稳态性能。
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| 关 键 词： | 光伏阵列 并网系统 空间矢量脉宽调制 |
Photovoltaic grid-connected system based on a synchronous current vector PI controller |
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| ZHOU Dejia,ZHAO Zhengming,YUAN Liqiang,FENG Bo,ZHAO Zhiqiang.Photovoltaic grid-connected system based on a synchronous current vector PI controller[J].Journal of Tsinghua University(Science and Technology),2009(1). |
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| Authors: | ZHOU Dejia ZHAO Zhengming YUAN Liqiang FENG Bo ZHAO Zhiqiang |
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| Institution: | 1.State Key Laboratory of Control and Simulation of Power Systems and Generation Equipment;Department of Electrical Engineering;Tsinghua University;Beijing 100084;China;2.Baoding TianWei Group Co.LTD.;Baoding 071056;China |
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| Abstract: | Effective control strategies for reliable photovoltaic(PV)grid-connected systems are needed to efficiently use solar energy.This paper analyzes the photovoltaic array characteristics and the means for transferming the power from the PV array to AC power.The control strategy combines an improved constant voltage tracking(ICVT)method for the variable photovoltaic power with a space vector pulse width modulation(SVPWM)-based proptional-intergral(PI)current controller in a single stage three-phase PV grid-conne... |
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